155 lines
4.8 KiB
C#
155 lines
4.8 KiB
C#
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namespace YooAsset
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{
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internal class DEFSLoadBundleOperation : FSLoadBundleOperation
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{
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protected enum ESteps
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{
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None,
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CheckExist,
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DownloadFile,
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AbortDownload,
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LoadAssetBundle,
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CheckResult,
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Done,
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}
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private readonly DefaultEditorFileSystem _fileSystem;
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private readonly PackageBundle _bundle;
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protected FSDownloadFileOperation _downloadFileOp;
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private int _asyncSimulateFrame;
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private ESteps _steps = ESteps.None;
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internal DEFSLoadBundleOperation(DefaultEditorFileSystem fileSystem, PackageBundle bundle)
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{
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_fileSystem = fileSystem;
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_bundle = bundle;
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}
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internal override void InternalStart()
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{
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_steps = ESteps.CheckExist;
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_asyncSimulateFrame = _fileSystem.GetAsyncSimulateFrame();
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}
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internal override void InternalUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.CheckExist)
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{
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if (_fileSystem.Exists(_bundle))
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{
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DownloadProgress = 1f;
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DownloadedBytes = _bundle.FileSize;
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_steps = ESteps.LoadAssetBundle;
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}
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else
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{
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_steps = ESteps.DownloadFile;
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}
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}
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if (_steps == ESteps.DownloadFile)
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{
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// 中断下载
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if (AbortDownloadFile)
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{
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if (_downloadFileOp != null)
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_downloadFileOp.AbortOperation();
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_steps = ESteps.AbortDownload;
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}
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}
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if (_steps == ESteps.DownloadFile)
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{
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if (_downloadFileOp == null)
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{
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DownloadFileOptions options = new DownloadFileOptions(int.MaxValue);
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_downloadFileOp = _fileSystem.DownloadFileAsync(_bundle, options);
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_downloadFileOp.StartOperation();
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AddChildOperation(_downloadFileOp);
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}
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if (IsWaitForAsyncComplete)
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_downloadFileOp.WaitForAsyncComplete();
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_downloadFileOp.UpdateOperation();
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DownloadProgress = _downloadFileOp.DownloadProgress;
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DownloadedBytes = _downloadFileOp.DownloadedBytes;
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if (_downloadFileOp.IsDone == false)
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return;
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if (_downloadFileOp.Status == EOperationStatus.Succeed)
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{
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_steps = ESteps.LoadAssetBundle;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = _downloadFileOp.Error;
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}
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}
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if (_steps == ESteps.AbortDownload)
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{
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if (_downloadFileOp != null)
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{
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if (IsWaitForAsyncComplete)
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_downloadFileOp.WaitForAsyncComplete();
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_downloadFileOp.UpdateOperation();
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if (_downloadFileOp.IsDone == false)
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return;
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}
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "Abort download file !";
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}
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if (_steps == ESteps.LoadAssetBundle)
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{
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if (IsWaitForAsyncComplete)
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{
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if (_fileSystem.VirtualWebGLMode)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "Virtual WebGL Mode only support asyn load method !";
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YooLogger.Error(Error);
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}
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else
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{
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_steps = ESteps.CheckResult;
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}
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}
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else
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{
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if (_asyncSimulateFrame <= 0)
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_steps = ESteps.CheckResult;
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else
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_asyncSimulateFrame--;
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}
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}
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if (_steps == ESteps.CheckResult)
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{
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_steps = ESteps.Done;
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Result = new VirtualBundleResult(_fileSystem, _bundle);
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Status = EOperationStatus.Succeed;
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}
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}
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internal override void InternalWaitForAsyncComplete()
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{
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while (true)
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{
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if (ExecuteWhileDone())
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{
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_steps = ESteps.Done;
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break;
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}
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}
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}
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}
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} |